Filling device



April 26, 1938. c. H. EHLERS FILLING DEVICE Filed April 17, 1954 I In venior Carl H Ehl ers 97% Patented Apr. 26, 1938 I UNITED STATES PATENT OFFICE FILLING nEvicE Carl H. Ehlers, Penfield, Pa, assignor to The Atlantic Refining Company, Philadelphia, Pa a corporation of Pennsylvania Application April 17, 1934, Serial No.1720,956

3 Claims. (01. 220-86) This invention relates to improvements in liquid proximately three-fourths of the tanklength. Clips containers and more especially to filling devices "are provided for supporting the section [6, these for tanks such as are used for the transportation clipsbeingfastenedrigidlytothetank l I. Thehoriand delivery of liquids, particularly liquid pezontal section is provided with one or more longi- 5 troleum products. I tudinal discharge slots or apertures, these aper- 5 Heretofore, it has been customary to fill such tures having such dimensions as to be of greater tanks either by discharging the liquid directly area thanthe cross-sectional area of thefill pipe. into the top of the tank or by conducting the At the end of the tank is arranged a drain pipe liquid to a point near the bottom of the tank by l9 controlled by a valve 20.

10 means of a fill pipe having its discharge end ar- The liquid with which the tank is to be filled 10 ranged adjacent the bottom of the tank. Subis supplied to the upper end of the fill pipe l4, stantial frothing or foaming results from filling by means of a suitable supply line (not shown) the tanks in this manner, with incident difficulty and the liquid is discharged into the tank through in loading and gauging. the apertures Ill. The velocity of the liquid pass- An object of this invention is to provide a filling ing through the apertures I8 is substantially re- 15 device, by the use of which such tanks may be duced by reason of the relatively large area therefilled with liquid without incident formation of of and the liquid is thus introduced into the tank froth and foam. adjacent the bottom thereof without splashing or According to this invention, frothing and foamother agitation commonly encountered in tanks ing during filling of the tank is avoided by introequipped with types of fill pipes heretofore in use. ducing the liquid into the tank through a pipe Frothing and foaming is avoided and filling of having a substantially horizontal section arthe tank and gauging its contents are expedited. ranged adjacent the bottom of the tank and ex- In the modification disclosed in Fig. 3, a semitending at least partially the length of .the tank. circular bent plate 2| is attached to or formed in- The horizontally disposed section of the fill pipe tegralwith the section 15 in any suitable man- 25 is provided with one or more slots or apertures ner and is disposed substantially horizontally which have a total discharge area greater than along the tank bottom; The plate 2| is supported the cross-sectional area of the fill pipe itself, by the clips 22 and is provided with a discharge whereby liquid inpassing from the fill pipe into aperture which is of substantially greater area the tank is reduced in velocity to such extent that than the cross-section of the pipe 15. In this 30 churning and swirling of the liquid with co'nsemodification also, liquid is introduced into the quent entrainment of air to form froth is pretank at reduced velocity without splashing or agivented. I tation, and foaming and frothing is avoided.

Other objects, novel features and advantages It is of course apparent that various modifica- 5 of this invention will become apparent from the tions may be made 'inthe deyice above described, following specification and accompanying drawwithout in any way departing from the spirit and ing, wherein. scope of the invention as defined in the appended Fig. 1 is a side elevation partially broken away claims. of a tank equipped with a fill pipe embodying I claim: 40 the invention; 1. In combination with an elongated tank for 40 Fig. 2 is an enlarged section on the line 2-2 transporting liquids, a fill pipe having a substanof Fig. 1, and tially vertical section extending substantially to Fig. 3 is a similar section of a modified embodithe bottom of the tank, and a substantially horiment. 1 zontal section extending from the lower end of Referring now to Figs. 1 and 2, Il is a tank of said vertical section adjacent to and for a major 45 the type adapted to be mounted, for example, on portion of the length of the bottom of the tank,

a truck. The tank is provided with a dome l2 said horizontal section having a discharge slot to facilitate inspection and gauging, the dome facing the bottom of the tank and extending being provided with a removable cover l3. Liquid I throughout the major portion thereof, said slot is charged into the tank ll through a fill pipe it, being of greater area than the cross-sectional 50 consisting of a section l5, preferably vertical, exarea of the fill pipe, and said fill pipe being of tending nearly to the bottom of the tank I l and substantially uniform diameter throughout.

a substantially horizontal section It extending 2. In' combination with an elongated tank for along the bottom of the tank. The section It is transporting liquids, a fill pipe having a substanof substantial length and preferably extends aptially vertical section extending substantially to 55 stantially uniform diameter throughout.

3. In combination with an elongated tank for transporting liquids, a substantially vertical fill pipeextending substantially to the bottom of the tank and an extension thereof comprising a semicircularly bent plate arranged adjacent to the lower end of said vertical fill pipe, and extending substantially horizontally over a major portion of the length of the. bottom of the tank, one side of said bent 'plate forming an. opening facing the bottom of the tank and extending throughout the major portion of the length thereof to form a discharge area for the liquid passed into said fill pipe of greater cross-sectional area than the cross-sectional area of the-fill pipe itself, the fill pipe and its extension being of substantially uniform diameter throughout.

CARL H. EI-IIERS. 

